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??? on what kind of transfer case do i have

Discussion in 'The Garage' started by 383whiteblazer70, Nov 26, 2006.

  1. 383whiteblazer70

    383whiteblazer70 Registered Member

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    I have a 205 out of a 73 pu that was behind a th350 and it doesn't look like the one behind my sm465 in the 70 Blazer( little things like fill plug the same, but drain is different). Did they have a different case set up on different transmissions/case combos?? I know that behind the th350/205 the linkage was bolted to the side of the trans, but on the 70 model sm465/??? it has a sort of box it sits in with a plate in the bottom with a H pattern for the tip of the 4x4 shifter to follow in. It will not go into 4 low either, it will go in 2H, N, & 4 H in a L pattern but in wont go on up into the 4low position(any ideas on that, and how do i fix it.
     
  2. bronc3buster842001

    bronc3buster842001 1/2 ton status

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    it sounds like u got a 203 behind the sm465
     
  3. Chevy305

    Chevy305 6 Lug 14bsf Status Premium Member GMOTM Winner

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    a metal one :rotfl:
     
  4. 383whiteblazer70

    383whiteblazer70 Registered Member

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    iron this is a one owner local, i know that this truck has never been modified, did they put 203 in 1970
     
  5. fatbob

    fatbob 1/2 ton status

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  6. 383whiteblazer70

    383whiteblazer70 Registered Member

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    in a 1970 blazer?????
     
  7. fatbob

    fatbob 1/2 ton status

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    Click on the link in the previous post and look at the specs for the '70
    M stands for manuel tranny and A for auto.
     
  8. diesel4me

    diesel4me 1 ton status Premium Member

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    yup--Dana 20 !

    Gm did use the Dana 20 transfer case in some 69-72 trucks--usually those with straight sixes and three speed trannys..not sure if they will mate up with an SM465 ,I think not--they only had one adapter available for the 3 speed manual as far as I know--(they had a goofy shifter built into the adapter!)..I've seen Dana 20's in trucks up to 1975 with the 3 speed manual too..not sure if GM was who put them there,but one truck was supposedly a one owner,that a friends grandfather ordered, with a 292 six and a three speed...only seen a handfull of these in my life..pretty rare!..

    The NP205 was the T-case they used most often back then--earlier trucks had a Rockwell T-221 T-case...the NP203 didnt appear until '73,but got swapped into many earlier trucks...:crazy:
     
  9. 383whiteblazer70

    383whiteblazer70 Registered Member

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    [​IMG]hope this shows my pics in the gallery of the case that i cant identify

    Blazer 004.jpg

    Blazer 005.jpg

    Blazer 006.jpg

    Blazer 007.jpg

    Blazer 008.jpg
     
  10. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    Definately not a 203 or a 205.
     
  11. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    looks like a dana 20, not 100% sure though.
     
  12. BKinzey

    BKinzey 1/2 ton status

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    Don't bother to knock off any of that mud pack:haha: Let us guess:haha:


    Alex, I'd like to buy a vowel..........:rolleyes:
     

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